holiday check

shifts.ps1

@@ -153,6 +153,10 @@ $response = Invoke-RestMethod $authUri -Method 'POST' -Body $body
 
 $token = $response.access_token
 
+$headers_holiday = @{}
+
+$headers_holiday.Add("Accept", "application/json")
+
 Import-Module Microsoft.Graph.Teams
 Connect-MgGraph -AccessToken $($token | ConvertTo-SecureString -AsPlainText -Force) >> $null
 
@@ -225,6 +229,14 @@ try {
             continue
         }
 
+        # ---| HOLIDAY CHECK |---
+        $holiday_response = (Invoke-WebRequest -Uri "https://svatky.steelants.cz/api/$($dayDate.ToString('yyyy-MM-dd'))" -Method GET -Headers $headers_holiday) | ConvertFrom-Json
+
+        if($holiday_response.isPublicHoliday) {
+            Write-Debug("{0} {1}: skipping holiday" -f $dayDate, $dayDate.DayOfWeek)
+            continue
+        }
+
         # ---| NEW DAY INIT |---
         $ds_shift_inplace = $false
         $ho_emails = $schedule.($dayDate.DayOfWeek.ToString().ToLower()).'ho'